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Natural Slate Roof Vent - Technical Specifictions

Guaranteed actual nett free ventilation area:         10 000mm²

Spacing centres to achieve ventilation area of       5000mm²/m: 2.0m
10 000mm²/m: 1.0m

Minimum pitch: 25° unless otherwise stated

Airflow resistance when used as SVP/extract terminal:     54m³/hr (15 litres/sec) 10Pa
                                                                                   108m³/hr (30 litres/sec) 42Pa
                                                                                   216m³/hr (60 litres/sec) 162Pa

 

 

 

 

Specifications
Natural Slate Roof Vents Northern Ireland by Prentice Roofing